Managed XDR

vtdl_i5c5gomz — malware analysis report

File info

Filename
vtdl_i5c5gomz
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Sep 16 00:00:00 2006, Last Saved Time/Date: Mon Feb 13 14:58:19 2023, Security: 0
File size
1.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cdc98538fc0dd2c2fc4b33d9392c75a92e47e805
SHA256
865d5468ca9348d4469a7c74b0bf15c9fec739175bb2336e255c9e7e033f19ba
MD5
4bfd3f854ca4c4fc84755a9665d3b2ae

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros: The document contains macroses (total: 3)

Persistence

T1183 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1183 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges

Defense Evasion

T1183 persistence_autorun: Makes itself run automatically on Windows startup
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1564.001 stealth_file: Creates hidden or system files
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1064 office_macros: The document contains macroses (total: 3)
T1070 stealth_window: A process created a hidden window
T1070.009 clear_persistence: Deletes persistence entry (potentially to hide compromising traces)

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_ftp: Collects data from local FTP clients
T1552.001 infostealer_vpn: Collects information about installed VPN software
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552.001 infostealer_winscp: Collects information from configuration file of WinSCP

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
suricata_alert: Malicious traffic detected
suspicious_process_network: Unusual process network activity detected
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_in_programdata: Creates files in the ProgramData directory
get_sid_domain: Get user's SID
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
get_memory_status: Gets information about the virtual and physical memory of the system
get_username: Gets username